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GHSA-7pr4-wx9w-mqwr

LowCVSS 1.9 / 10
Published Feb 9, 2026·Last modified Feb 9, 2026
Affected Components(0)

No affected components available

Description

Summary

Stored XSS via Entry Type names. The name is not sanitized when displayed in the Entry Types list.

Proof of Concept

Required Permissions (Attacker)

  • Admin access (only admins have access to the settings page)
  • allowAdminChanges is enabled in production, which is against our security recommendations.

Steps to Reproduce

  1. Log in as an attacker.
  2. Go to Settings -> Entry Types (/admin/settings/entry-types).
  3. Create a new Entry Type.
  4. Set Name to:
<img src=x onerror="alert('XSS-EntryTypes')" hidden>
  1. Save the Entry Type, and you’ll be redirected back to the entry types table automatically.
  2. Notice the alert fires when the entry types table renders.
Risk Scores
Base Score
1.9

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges.

Threat Intelligence
1.1

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Low severity
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